Banca de QUALIFICAÇÃO: MARCELLA GOMES DA COSTA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : MARCELLA GOMES DA COSTA
DATE: 30/04/2026
TIME: 09:30
LOCAL: Sala 1 PPGF
TITLE:

Preservation and agronomic, physicochemical and nutritional characterization of Capsicum spp. pepper accessions.

KEY WORDS:

 

germplasm collection; physicochemical characterization; morphological characterization; plant diversity

PAGES: 35
BIG AREA: Ciências Agrárias
AREA: Agronomia
SUBÁREA: Fitotecnia
SPECIALTY: Manejo e Tratos Culturais
SUMMARY:

Pepper is a vegetable of great socioeconomic importance, being used both for fresh consumption, preparation of preserves and artisanal jams, and on a large scale in the food, pharmaceutical, cosmetic, and ornamental industries. The genus has great genetic diversity, yet little characterization of its genetic diversity, especially directed towards its different application niches. The lack of knowledge and investment can lead to underutilization of its potential and losses of diversity, essential for plant conservation and breeding programs. The Seed Epidemiology and Pathology Laboratory of UFRRJ, located in Seropédica, holds a collection of the genus Capsicum L., but there is little information about the deposited materials. Thus, the main objective of this study is to preserve the accessions and carry out the agronomic, physicochemical, and nutritional characterization of this collection. The experiment will be conducted in a greenhouse at the Institute of Agronomy (UFRRJ). The accessions will be identified at the species level and characterized using morphological descriptors suggested by IPGRI (Biodiversity International). The morpho-agronomic characterization will evaluate qualitative and quantitative parameters such as: corolla color, fruit color, fruit texture, fruit shape (FFR), days to flowering, crop cycle, number of fruits per plant, average canopy diameter, plant height, fruit length, fruit width, fruit wall thickness, and peduncle length. The physicochemical characterization will include: fresh fruit weight, dry fruit weight, water content, total soluble solids (°Brix), and pH. In addition, carotenoids, phenolic compounds, flavonoids, anthocyanins, and capsaicinoids will be identified and quantified in the fruits of the pre-selected accessions. The data obtained will be subjected to multivariate statistical methods. Molecular characterization of the accessions is also expected. In this way, it is hoped to preserve, characterize, and expand knowledge about the Capsicum genus, supporting the identification of promising genotypes for future genetic improvement programs for peppers intended for fresh consumption.

COMMITTEE MEMBERS:
Presidente - 1213072 - MARGARIDA GORETE FERREIRA DO CARMO
Interno - 1712769 - PEDRO CORREA DAMASCENO JUNIOR
Externa ao Programa - 1724645 - CIBELLE VILELA ANDRADE FIORINI - UFRRJ